Question

How do you know where one stanza ends and another begins in poetry.

Answer 1

Typically, there will be an empty line before and after a stanza

I'm Nobody! Who are you?

Are you- Nobody - too?

Then there's a pair of us!

Don't tell! They'd advertise- you know!

How dreary- to be- Sombody!

How public- like a Frog-

To tell one's name- the livelong June-

To an admiring bog!

-I'm Nobody! Who are you? Emily Dickinson

As you can see in this poem by Emily Dickinson, there are two stanzas.